CN105717482A - Detection of concealed security devices in a security device monitoring environment - Google Patents
Detection of concealed security devices in a security device monitoring environment Download PDFInfo
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- CN105717482A CN105717482A CN201510920229.1A CN201510920229A CN105717482A CN 105717482 A CN105717482 A CN 105717482A CN 201510920229 A CN201510920229 A CN 201510920229A CN 105717482 A CN105717482 A CN 105717482A
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- safety label
- label
- foil bag
- communication
- motion
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0257—Hybrid positioning
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Burglar Alarm Systems (AREA)
- Alarm Systems (AREA)
Abstract
A security system controller may include processing circuitry. The processing circuitry may be configured to receive information indicative of motion of a security tag disposed on a product in a monitoring environment, track motion of the security tag responsive to information received via wireless communication between the security tag and a plurality of locator devices of a first locating system, and determine whether a potential foil bag condition exists relative to the security tag based on a loss of communication with the security tag while tracking motion of the security tag.
Description
Technical field
This invention relates generally to that retail is antitheft and goods protection device and method.
Background technology
As time goes on safety device obtains lasting development, to improve the functional capability of such device and to reduce cost.Currently provide some safety devices being attached to independent product or object, to deter or to prevent the stealing to such product or object.In some cases, described safety device includes label or other the such assemblies that can be detected by the entrance guard device at retail outlet place.These entrance guard devices can be referred to as pylon (towers) or pedestal (pedestals) sometimes.When described safety device by or during near described gate inhibition, it is possible to trigger described product and/or in the local alarm of described gate inhibition or other notices.Furthermore, it is possible to provide key at point-of-sale terminals, so that when corresponding product or object are purchased, it is possible to remove described safety device.
In order to avoid the detection at these safety door places, and making removing of the product from shop be possibly realized when not buying, some may attempt to remove, damage or destroy described safety device.But, in other cases, people may attempt to use other scheme, and such as rapid movement is by described door or described label is placed on the bag that described safety label can be stoped to be detected by described safety door or other containers.
Due to these and other problems, retailer requires to improve described security system, to stop the trial to retail product stealing further.At least for stoping the use detecting the container being provided in label therein, it is possible to use metal forming or other metal material liner bag or other containers, the article being accompanied by label can be put into wherein.After the article being accompanied by label are put into wherein, due to the reason of the interference that the material of container described in liner causes, the described door gear in exit not will detect that the label on article.Accordingly, with respect to antitheft by this way, it would be desirable to retailer can be allowed to detect the use of such container (such as, foil bag).
Summary of the invention
When cannot more in a reliable fashion with following the trail of or when sensing network (or " it weakens ') communicates with safety label, some exemplary embodiments can provide detection function.The dropping of described label, weakening of described network can be shown that described label (the described product being accompanied by with them) is placed on the described label of interference with other devices (such as, described network) in the container of ability that communicates, the container of such as foil bag or other metal inner linings.
In one exemplary embodiment, it is provided that a kind of security system control including processing circuit.Described process circuit may be configured to receive the information of the motion of the safety label represented on the product being placed in monitoring environment；In response to the information received, via the radio communication between described safety label and multiple positioner devices of the first alignment system, follow the trail of the motion of described safety label；And based on loss with the communication of described safety label while following the trail of the motion of described safety label, it is determined that relative to whether described safety label exists possible foil bag situation.
According to another exemplary embodiment, it is provided that a kind of security system.Described security system can include the safety label being placed on the product in monitoring environment, limit multiple positioner devices of the first alignment system, described positioner device is configured to and described safety label radio communication, and includes the system controller processing circuit.Described process circuit may be configured to receive the information of the motion representing described safety label, in response to the motion of safety label described in the tracking of information received from described positioner, and lose and the communication of described safety label based on when following the trail of the motion of described safety label, it is determined that relative to whether described safety label exists possible foil bag situation.
The brief description of accompanying drawing
After briefly describing some embodiments of the present invention, referring now to accompanying drawing, these accompanying drawings are not necessarily drawn to scale, and wherein:
Fig. 1 describes the concept map of the monitoring environment in retail shop according to exemplary embodiment；
Fig. 2 describes the block diagram of the monitoring network that can be used to the label that monitoring can be placed on the article (product) in monitoring environment according to exemplary embodiment；
Fig. 3 describes the block diagram of the label according to exemplary embodiment.
Fig. 4 describes the block diagram of the system controller according to exemplary embodiment.
Fig. 5 describes the block diagram of the control flow illustrating that the algorithm that can perform at described system controller according to exemplary embodiment.
Fig. 6 describes the block diagram really fixing on the method when label in monitoring system is placed in foil bag or similar containers according to exemplary embodiment.
Detailed description of the invention
It is more fully described some exemplary embodiments below with regard to accompanying drawing now, illustrated therein is some but not all embodiments.Really, described and diagram embodiment is not construed as restriction the scope of the present invention, the suitability or structure.Same reference marker indicates same element in the whole text.Additionally, as used herein, term " or " as long as will be explained into one or more operand is that true time result is just for genuine logical operator.As used herein, " exercisable coupling " is understood to relate to directly or indirectly connecting, and all makes operationally to be possibly realized by least one functional interconnection of assembly coupled to each other in which kind of situation.
Some exemplary embodiments can enable the network that the activity of the offer communication to interrupting safety device (such as, label) and antitheft asset monitoring network carries out detecting be possibly realized.In some cases, prevent from one or more label to be likely to result in described label in the foil bag stoping wireless identification tag communication or other containers to lose and the communication connection of described network.Exemplary embodiment is likely to be capable of identify that and can be mutually related particular event with the use of foil bag or prevention property container, rather than can result in described label and lose other events of the communication with described network.Then warning can be provided, situation to be notified retail shop personnel.
Here will describe exemplary embodiment, and relate to being attached to object (such as, retail product) because of it and the assembly with antitheft asset monitoring network carries out the safety device (such as, label) of radio communication.Described networking component can be configured to described label communicate via a lot of different communication plans each other.Some schemes are likely to the label only monitoring in the near exit region of shielded retail shop.Other schemes are likely to the whole of monitoring retail shop or in the various different concrete region that can be defined.Additionally, some embodiments can simultaneously or by allow between this communication plan switching in the way of use more than one communication plan.Because this represents the most complicated communication paradigm, wherein it is likely to implement exemplary embodiment, therefore will describe the EXEMPLARY MONITOR environment using more than one communication plan.
Fig. 1 describes the concept map of the monitoring environment 100 in retail shop.Fig. 2 describes and can be used to monitor those block diagrams that can be placed on the monitoring environment 200 according to the label 110 on the object in the monitoring environment 100 of exemplary embodiment.As it is shown in figure 1, monitoring environment 100 can include the first monitoring region 120 and the second monitoring region 130.First monitoring region 120 can represent the relatively large region (such as, selling layer) in shop.Second monitoring region 130 can represent the region that shop is less, and in some cases, it is possible to close on the outlet in shop.First and second monitoring regions 120 and 130 can be limited individually, or, in certain embodiments, the second monitoring region 130 may reside within the first monitoring region 120 and overlaps.
In certain embodiments, monitoring region can be further divided into subregion.Such as, as it is shown in figure 1, the first monitoring region 120 can be divided into the first subregion the 122, second subregion 124 and the 3rd subregion 126.In some cases, subregion can be interrelated with the concrete department in shop, place or product line.But, subregion can be alternatively defined as is divided into, monitoring environment 100, the region being easy to be defined, with facilitate special region inner position label 110 and detect within such region, outside or enter the motion in such region.In some cases, subregion can be based at least partially near outlet and/or be limited near the second monitoring region 130.The combination of the mode of above-mentioned restriction subregion can also be used.
In some cases, the second monitoring region 130 can use and monitor, than first, the location technology that the technology used in region 120 is more accurate and/or sensitiveer.Although the first monitoring region 120 can use location technology less accurate or sensitive compared with the second monitoring region 130 sometimes, but in some cases, the subregion in the first monitoring region 120 can use different grades of sensitivity (such as, using higher or lower sample rate) in different subregions.Such as, the 3rd subregion 126, it monitors region 130 and outlet closer to second, it is possible in order to the accuracy improved relative to the sample rate used in the first and second subregions 122 and 124 and sensitivity use higher sample rate.Therefore, when product is near exit movement, the detection sensitivity of product space can increase.
Described monitoring network 200 can include the first alignment system 210 and the second alignment system 220.The each of which of described first alignment system 210 and the second alignment system 220 can use different techniques to location label 110, and can utilize corresponding different hardware external member and communication paradigm.In the exemplary embodiment, described first alignment system 210 can be use received signal strength indicator (RSSI) technology to position the alignment system of described label 110.Meanwhile, described second alignment system 220 can use arrival angle (AOA) technology or other location technologies (the such as time of advent (TOA), step-out time (TDOA) or wherein label 110 send for the beacon signal monitored by receiver array to position the other technologies of described label 110).Such as, AOA technology can use the receiver or AOA localizer 222 that include monitoring the aerial array of the bootstrap information bag with correct format sent from described label 110, then processes packet to determine the packet arrival angle relative to described receiver and aerial array position.Effective measuring area can be the center relative to described antenna.The peak computational angle-data of the angle curve produced based on the beacon signal received in the effective sensitive zones at the described antenna of described array can be used.Further, in order to by AOA technological orientation, described label 110 can be configured to serve as the beacon apparatus that the signal to be detected by AOA localizer 222 is launched.Described AOA localizer 222, it can be configured to patch antenna array (such as, with 4 antennas), and each of which of described AOA localizer 222 is placed in, such as, the second monitoring region 130 (or the 3rd subregion 126) place or its near corners.
Generally speaking, in RSSI system (such as, described first alignment system 210) in, described label 110 can be configured to serve as the monitoring device receiving the beacon signal that (or known location) the RSSI localizer 212 from fixed position is launched.Signal intensity based on the signal received from each described RSSI localizer 212 at described label 110 place, it may be determined that described label 110 is relative to the position of described RSSI localizer 212.
Although described first alignment system 210 and described second alignment system 200 be described as use for determine label 110 position different technologies (namely, RSSI, AOA, TOA, TDOA etc.), should be understood that, according to some exemplary embodiments, identical technology can be used in two systems, but with different parameters between described system.Such as, described alignment system 210 can use the TDOA than the same described second alignment system 200 more low sampling rate using TDOA.
In certain embodiments, described second alignment system 220 can be used for realizing the door scheme of the outlet for monitoring shop.It is therefoie, for example, described second alignment system 220 can be used in the second monitoring region 130.But, described second alignment system 220 or can also be alternatively used for accurately (or at least more accurately) cargo area, wherein can complete more accurately monitoring label 110 motion.It is therefoie, for example, described second alignment system 220 can be used in the 3rd subregion 126, to increase the sensitivity to label 110 position when described label 110 shifts near outlet.And, described second alignment system 220 can have low sampling rate and high sampling rate operability ability, for instance so that low rate AOA location can be performed in the 3rd subregion 126 and can monitor execution two-forty AOA location in region 130 second.Finally, the described first and/or second alignment system 210 and 220 can be used for general label 110 position and determines, different grades of accuracy depends on the location technology used and the sample rate used.
In certain embodiments, because described first and second alignment systems 210 and 220 can by close to each other or use even in same area, any one or both that described label 110 can be configured to described first and second alignment systems 210 and 220 communicate.In some cases, described second system (such as, AOA) and described the first system (such as, RSSI) can pass through to use staggered sample window support.Similarly, for instance, described label 110 can be configured to read every 500 milliseconds or monitor the beacon signal launched from RSSI localizer 212.Therefore, RSSI sample rate can be half second.Meanwhile, described RSSI localizer 212 can be configured to higher rate transmission beacon.Described label 110 may be additionally configured to 500 milliseconds of low rate beacon transmission time can be changed to 160 milliseconds of two-forty beacon transmission time and 20 milliseconds of time slots to its own transmission beacon, for instance, to support that AOA positions.This can provide relatively high number of can by a high speed and divide between low speed sampling, also sample with RSSI the time slot (such as, 25) intersected simultaneously.In various different embodiments, positioning system communication frequency, sampling rate and location determine that the detail of algorithm is likely to change.Therefore, foregoing description is to be understood as the exemplary embodiment that only can use in some context.
In the exemplary embodiment, it is possible to tracked and the label of monitoring quantity is likely to be dependent on the sample size needed for needs or desired accuracy and the desired hit rate for given operability scene.Can needing or expecting the tracking requirement that various different regions, subregion and/or regulation like this is different based on retailer.It is thus possible, for instance, it is possible to definition alarm region, access areas and other stock follow-up regions, and different sampling rates and/or other system characteristic can be defined in each region.Meanwhile, in each region, using any one or both of described first alignment system 210 and described second alignment system 220, described label 110 is traceable.
In some exemplary embodiments, no matter the type of the system being currently in use, label 110 can be configured to operate in the low power mode, wherein said label is dormancy and wakes up to put on record with described network, such as via system controller 250, with relatively large interval (such as, every 30 minutes).The motion of described label 110 is (such as, as detected this locality of the described label via accelerometer or microswitch) it is likely to cause described label 110 to wake up, leaves low-power mode entrance activity pattern, and (such as, using 500 milliseconds of sample windows) is with the communication of shorter interval (such as every half second) initiation with described system controller 250.
According to some exemplary embodiments, described label 110 can be configured to send motion to described system controller 250 and starts message, to inform that label described in described system controller 250 is being detected locally and described label now will with the communication of shorter interval.Described system controller 250 can follow the trail of the motion of described label 110 after receiving motion and starting message, and or update the position of described label 110 (such as, over the display or in data base or position log) or perform some other function (such as based on the position of described label 110, notify the position of label described in salesman, produce alarm or notice, etc.).When described label 110 stop motion one end section expeced time (such as, the local timer reset in response to the actuating of described microswitch etc. can be used), motion termination messages can be sent to described system controller 250, and in some cases, described label 110 can branch back to low-power mode.
As shown in Figure 2, it is possible to use RSSI to position multiple described RSSI localizers 212 in area to be monitored.Such as, described RSSI localizer 212 can be placed on corner or the boundary in region.In some exemplary embodiments, described RSSI localizer 212 can also be positioned at the border in region and these regions and can be defined based on the predefined distance from one or more described RSSI localizers 212.Described label 110 can receive the transmission from described RSSI localizer 212, and passes on expression to be maybe used for determining the signal strength data of position based on signal intensity defined location by router 240 to system controller 250.Such as, described system controller 250 can be computer, server or other can the terminal of control software design and/or hardware, it can be configured to representing that described label 110 and their data of the physical location of object of investing convert to and can be used for triggering the various different traceable project stealing deterring function as described herein.
In some illustrative embodiments, system controller 250 also carries out communication contact with AOA localizer 222.AOA localizer 222 is positioned at and is carried out with processing mode same with above-mentioned RSSI localizer 212 around the border in region that monitors or border by the second alignment system 220, or adopts other distribution form multiple to configure.But, AOA localizer 222 can monitor beacon signal, and does not send any beacon signal.For this, when label 110 is sending beacon signal to the second alignment system 220, AOA localizer 222 all can determine that the angle information representing label 110 angle, this angle is relative to corresponding AOA localizer 222, or, more specifically, the antenna of AOA localizer 222 (or as required, there is provided this information to system controller 250, in order to make system controller 250 can determine angle information).Then, expected tags position (such as, analyzed by angle information or triangulation) is determined by system controller 250.
Fig. 3 describes the block diagram of the tag circuit according to exemplary embodiment.As it is shown on figure 3, described label 110 can include the process circuit 310 configured according to exemplary embodiment described here.In this respect, such as, described label 110 can utilize described process circuit 310 to provide Electronic Control input to one or more functional element (its can pass through or realizes with the auxiliary of described process circuit 310) of described label 110, makes tracking label with data the execution receiving, launching and/or process is associated with the one or more functional element, sends alarm and/or warning and/or like this be as described herein possibly realized necessary communication.
In certain embodiments, described process circuit 310 may be implemented as chip or chipset.In other words, described process circuit 310 can include one or more physical package part (such as, chip), and it includes the material in structural component (such as, substrate), assembly and/or wire rod.Described structural component can provide and keep and/or electric mutual limit for the physical strength of the element circuitry being included thereon, size.Described process circuit 310 is passable, therefore, in some cases, is configured on a single chip or realizes embodiments of the invention as single " SOC(system on a chip) ".Similarly, in some cases, chip or chipset may be constructed the device for performing one or more operation for providing function described here.
In the exemplary embodiment, described process circuit 310 can include the example of one or more processor 312 and memorizer 314, and it can communicate with device interface 320 or otherwise control device interface 320.Similarly, described process circuit 310 can be implemented as and be configured (such as, with the combination of hardware, software or hardware and software) for the circuit chip (such as, IC chip) performing operation described here.
Described device interface 320 can include the one or more interface agencies for communicating with other devices (such as, RSSI localizer 212, AOA localizer 222, router 240, other label 110, label readers, and/or other devices).In some cases, described device interface 320 can be any device (such as, device or circuit, it is to be configured to realize from/to the hardware of the device communicated with described process circuit 310 or assembly reception and/or transmitting data or the combination of hardware and software via internal and/or outside communication agency).It is therefoie, for example, described device interface 320 may further include at least with RSSI localizer 212, AOA localizer 222, and/or router 240 communication radio communication instrument (such as, one or more antennas).Therefore described device interface 320 can include one or more aerial array, and it can be configured to or can be configured to receive and/or launch the signal of the appropriate format being associated with at least described first alignment system 210 and described second alignment system 220.Described device interface 320 may further include radio circuit, be configured to coding and/or decoding, modulation and/or demodulation or otherwise antenna array receiver described in place's reason to or the wireless signal to be launched by described aerial array.
In certain embodiments, described label 110 can also include alert component 330, its can include audio devices (such as, piezoelectricity, machinery, dynamo-electric beeper (beeper), buzzer (buzzer) or other audio signal devices (such as audible alarm)).Described alert component 330 can include loudspeaker or other sound-producing devices that can be provided that in the housing of described label 110.In some exemplary embodiments, described alert component 330 can also include visable indicia (such as, the light fixture (such as double-colored (such as, red green) LED) of one or more colors).Described visable indicia and/or its audio devices of described alert component 330 can be used in a variety of ways, to facilitate and to strengthen the operation of described label 110.Such as, when described label 110 receives different message, or by some way (such as, it is moved into or leaves special region, near door, through the passage of door and described network communication loss, described label 110 is attached to the detection damaging or cutting off of the electric wire of object) operate time, it is possible to play different tone, sound or music.Similarly, in order to indicate some situation (such as, it is moved into or leaves special region, near door, by the detection damaging or cutting off of the loss of the passage of door and described network service, the electric wire described label 110 being attached to object, Deng), it is provided that different photochromic, flashing sequences or other visible labellings are combined or substitute audible labelling with audible labelling.
Described processor 312 can be realized in a number of different manners.Such as, described processor 312 can be realized as various different process device (such as one or more microprocessors or other treatment elements, coprocessor, controller, or including integrated circuit (such as, such as, ASIC (application-specific IC), FPGA (field programmable gate array) etc.) various different other calculate or process device).In the exemplary embodiment, described processor 312 can be configured to the instruction that performs to be stored in described memorizer 314 or otherwise can be accessed by described processor 312.Similarly, no matter configuring by hardware or by the combination of hardware and software, described processor 312 all can represent the physical entity (such as, realizing processing the form of circuit 310 with circuit physical) being able to carry out the operation according to exemplary embodiment and correspondingly configuring simultaneously.It is therefoie, for example, when described processor 312 is implemented as ASIC, FPGA etc., described processor 312 can be the hardware configured being specifically used for performing operation described here.Alternatively, as another example, when described processor 312 is implemented as the executor of software instruction, with reference to the execution of exemplary embodiment, these instructions can specifically be configured to described processor 312 to perform operation described here.
In some instances, described processor 312 (or described process circuit 310) can be realized as, based on the input received by described process circuit 310, including or otherwise control the operation of described label 110.Similarly, in certain embodiments, the operation of the described label 110 relevant relative to undertaking relative corresponding function, described processor 312 (or described process circuit 310) can be described as causes each described operation relevant to described label 110 to be both responsive to configure the described instruction of processor 312 (or processing circuit 310) or the execution of algorithm and correspondingly occur.Especially, described processor 312 (or processing circuit 310) can be configured to make the described label 110 can with described RSSI localizer 212, AOA localizer 222, and/or router 240 communicates, described system controller 250 can be made to position described label to provide to described system controller 250, and in some cases based on the position of described label 110 or about described label 110 state can from the information of other other functions of information and executing determined the communication (or its disappearance) of described label 110.
In the exemplary embodiment, described memorizer 314 can include one or more Nonvolatile memory devices (for example, it may be fixed or volatibility movably and/or nonvolatile memory).Described memorizer 314 may be configured to storage information, data, application program, instruction etc., for making described process circuit 310 can perform various different function according to exemplary embodiment.Such as, the input data that described memorizer 314 may be configured to being processed by described processor 312 carry out buffer memory.Alternatively or additionally, described memorizer 314 can be configured to the storage instruction for being performed by described processor 312.As another alternately or additionally, described memorizer 314 can include one or more data base, and it can store and operate useful multiple data set or form for described label 110.In the content of described memorizer 314, it is possible to store the application program or instruction set that are performed by described processor 312, with the function that execution is associated with each corresponding application program or instruction set.In some cases, described application program/instruction set can include some or all operations for performing to describe with reference to algorithm described here or flow chart, include but not limited to those with reference to Fig. 6 instruction described.Especially, described memorizer 314 can store and make the computing capability of described process circuit 310 can be used the executable instruction improving described label 110 for the operation of tracking described here, notice and alarm function.Similarly, the computation module of described label 110 improve label 110 described in operation handlebar convert to the physical object that described label 110 is attached to be better able to follow the trail of, the device of notice and alarm.
Fig. 4 describes the block diagram of the described system controller 250 according to exemplary embodiment.As shown in Figure 4, described system controller 250 can include the process circuit 410 of exemplary embodiment described here.In this respect, such as, described system controller 250 can utilize described process circuit 410 to provide Electronic Control input to one or more functional units of described system controller 250, to obtain, launch and/or to process the data that are associated with the one or more functional unit, and perform location subsequently described here, tracking, notice and/or alarm function.
In the exemplary embodiment, described process circuit 410 by the mode similar with the mode described above about Fig. 3, can realize with the form of physics and function.But, according to some exemplary embodiments, described process circuit 410 can have the extended capability of the processing speed about relevant with the described process circuit utilized by described label 110 and communication throughput.
In the exemplary embodiment, described process circuit 410 can include one or more examples of processor 412 and memorizer 414, and it can communicate with device interface 420 or otherwise control device interface 420 (being user interface 430 in some cases).Similarly, described process circuit 410 may be implemented as (such as, with the combination of hardware, software or hardware and software) and is configured to perform the circuit chip (such as, IC chip) of function described here.
Described user interface 430 can communicate with described process circuit 410, to receive the instruction of the user's input at described user interface 430 place, and/or provides a user with audible, visual, that have sense of touch or other outputs.Similarly, described user interface 430 can include, for instance, touch screen, one or more switch, button or button (such as, functional keys), mouse, stick, keyboard, and/or other input mechanisms.In the exemplary embodiment, described user interface 430 can include one or more light fixture, display, loudspeaker, audio-frequency generator, vibration unit and/or such as possible output mechanism.
Described device interface 420 can include one or more interface agency for communicating with other devices (such as, AOA localizer 222, router 240 and/or external network device).In some cases, described device interface 420 can be any device (such as device or circuit, it is to be configured to realize from/to the hardware of the device communicated with described process circuit 410 or assembly reception and/or transmitting data or the combination of hardware and software via internal and/or outside communication agency).It is therefoie, for example, the Ethernet that described device interface 420 can be further used at least communicating with described AOA localizer 222 and/or router 240 is connected and/or radio communication instrument.
Described processor 412 can realize in various mode.Such as, described processor 412 can be implemented as various different process device (such as one or more microprocessors or other treatment elements, coprocessor, controller or various different other include integrated circuit (such as, ASIC (application-specific IC), FPGA (field programmable gate array) etc.) and calculate or process device).In the exemplary embodiment, described processor 412 may be configured to execution and is stored in described memorizer 414 or otherwise can be accessed by described processor 412.Similarly, no matter still configured by the combination of hardware and software by hardware, described processor 412 can represent and is able to carry out operating the entity (such as, physically realizing in circuit to process the form of circuit 410) being simultaneously configured accordingly according to an embodiment of the invention.It is therefoie, for example, when described processor 412 is realized as ASIC, FPGA etc., described processor 412 can be specifically the hardware for performing operation described here configured.Alternatively, as another example, when described processor 412 is realized as the executor of software instruction, these instructions can specifically be configured to described processor 412 to implement operation described here with reference to the execution of exemplary embodiment.
In some instances, described processor 412 (or described process circuit 410) can be realized as, based on the input received by described process circuit 410, including or otherwise control the operation of described system controller 250.Similarly, in certain embodiments, described processor 412 (or described process circuit 410) can be described as so that each operation all correspondingly in response to the execution of the instruction of the described processor 412 (or processing circuit 410) of configuration or algorithm, and the corresponding function associated with relating to execution about each operation described in system controller 250 is correlated with.Especially, described processor 412 (or processing circuit 410) can be configured to make the described system controller 250 can with described AOA localizer 222, and/or router 240 communicates, to provide information to described system controller 250, this system controller 250 can make described system controller 250 position described label 110, and in some cases based on other functions of other information and executing of the position of described label 110 or the state about described label 110, can should be determine from the communication (or its disappearance) with described label 110 about other information of the state of described label 110.
In the exemplary embodiment, described memorizer 414 can include one or more non-persistent store (for example, it may be fixed or volatibility movably and/or nonvolatile memory).Described memorizer 414 may be configured to storage information, data, application program, instruction etc., for making described process circuit 410 can perform various different function according to exemplary embodiment.Such as, the input data that described memorizer 414 may be configured to being processed by described processor 412 carry out buffer memory.Alternatively or additionally, described memorizer 414 can be configured to the storage instruction for being performed by described processor 412.As another ability alternately or additionally, described memorizer 414 can include one or more data base that can store the useful multiple data set of operation for described system controller 250 or form.In the content of described memorizer 414, it is possible to store the application program or instruction set that are performed by described processor 412, with the function that execution is associated with each corresponding application program or instruction set.In some cases, described application program/instruction set can include for performing the instruction with reference to algorithm described here or some or all operations of flow chart description.Especially, described memorizer 414 can store and make the computing capability of described process circuit 410 can be used the executable instruction improving described system controller 250 for the operation of tracking described here, notice and alarm function.Similarly, the computation module of described system controller 250 improve system controller 250 described in operation handlebar convert to the physical object that described label 110 is attached to be better able to follow the trail of, the device of notice and alarm.Therefore, described process circuit 410 can be such as, performed by instruction, it is configured to (such as, via described localizer and/or described router 240) receive the signal from described label the attribute the signal received and convert the data of the position describing described label 110 to, for presenting or trigger other functions of described system to the user in terminal.
In the exemplary embodiment, described system controller 250 can be configured to via such as described label 110 to foil bag or other insertions that can be configured to stop the communication between the container of the metal inner lining of described label 110 and any door or the communication of other follow-up mechanisms, to detect the covert of label from network.Especially, such as, after described system controller 250 receives motion beginning message and before described system controller 250 receives motion termination messages from described label 110, described system controller 250 may be configured to detect and makes described network 200 weaken the situation of (that is, losing the reliable communication with described network) at period described label 110.Make described network 200 weaken before motion has begun to and described label 110 instruction motion has stopped and can representing such situation, wherein said label 110 has been destroyed in the way of stoping radio communication, has been damaged or hidden (such as, being placed in foil bag).It is only start to make afterwards described network 200 to weaken in motion to represent without any other local alarm situations (such as, owing to cutting off link or damaging described label 110) and employ foil bag, or equivalent container.Here, the use of phrase " foil bag situation " can refer to any prevention or hinder and the use of device of operation of described label 110 or the communication from described label 110.
In order to detect possible foil bag situation, described system controller 250 may be configured to determine that described label 110 has made the time that described network 200 weakens at least specified rate during the measurable order of event.Similarly, described system controller 250 is passable, such as, being configured to detect the interval being at least normal sample intervals twice, label 110 described in period is owing to cannot send signal or owing to cannot fail communication to described router 240 reported signal strength measurement result to AOA localizer 222.Therefore, for the above-mentioned example with half second sample window, described label 110 is likely to during at least one whole second (thus lost two complete sampling intervals) and fails to communicate with described system controller 250.Longer cycle (such as, 4 seconds or according to multiple sampling intervals) can also be defined in some cases to regulate the probability of false alarm.Therefore, make described network 200 weaken in response to described label 110 and determine that the non-communicating cycle required for there is possible foil bag situation can be conditioned.
In certain embodiments, described system controller 250 may be configured to trigger possible foil bag alarm when described possible foil bag situation is detected.Possible foil bag alarm can be realized as alarm or the notice of offer in described network 200.In some cases, notice can include the loudspeaker via such as fixed position or the motion terminals carried by store clerk, the sound instruction of the foil bag alarm of the transmitted over communications networks maintained in shop.Alternatively however, or furthermore, it is possible to there is the alarm of foil bag alarm with instruction to update display, or can with event log more new database.In some cases, before possible foil bag situation being detected, can with the sound of foil bag alarm or visually indicate (such as, audio frequency ground or video ground) Last Known Location (such as, as being determined by described system controller 250) of described label 110 is provided.Therefore this Last Known Location can be shown on the display or this Last Known Location can be reported to shop personnel.If triggering alarm, then can on the doorway in shop, on a communication network or on the display, except the place that other are possible, produce alarm instruction.
In the exemplary embodiment, described system controller 250 may be configured to send message to described label 110, to attempt arriving and/or positioning described label 110.In some cases, this message can guide described label 110 for sending alarm (such as, by triggering described alert component 330) in this locality.It is therefoie, for example, make described label 110 be able to receive that message (such as, if described foil bag is opened) if as any reason, then described label 110 can send alarm audio frequency ground, mechanically (such as, vibration) and/or video.
In some cases, owing to being placed in reason within foil bag etc. when losing the communication with described network or when losing in response to this, described label 110 self is likely to initiation alarm.Such as, described label 110 may be configured to carry out checking confirmation (or ACKs) to any message that described router 240 and/or described AOA localizer 222 send to described label 110.If for during at least predetermined time or message number do not receive confirmation, then described label 110 can be configured to think that the message that described label 110 is attempted sending just is hindered transmission by foil bag or other such containers.Similarly, described label 110 may be configured to send alarm (operation based on described alert component 330) in this locality in response to the message sent by described label 110.In some exemplary embodiments, only when ACK message is not received in order, it is possible to the ACK message of recording scheduled quantity.It is therefoie, for example, the reception of ACK message is likely to reset the enumerator being configured to detect the predetermined quantity of the ACK message missed.Similarly, according to some exemplary embodiments, it is possible to use only when receiving the ACK message selecting quantity or resetting when the ACK for given message is not yet received within a period of time.
From technical standpoint, described system controller 250 can be used to support that some or all operate.Similarly, the platform described in Fig. 1-4 can be used for as realizing providing facility based on mutual some computer programs and/or network service.Exemplarily, Fig. 5 and 6 are the flow charts of the illustrative methods according to exemplary embodiment and program product.Will be understood that the combination of square frame in each square frame of flow chart and flow chart all can by various different devices (such as hardware, firmware, processor, circuit and/or other with the execution of the software including one or more computer program instructions related device) realize.Such as, one or more said process can be realized by computer program instructions.In this respect, it is achieved these computer program instructions of said process can be stored by the storage device of calculation element or be performed by the processor in described calculation element.As will be understood, any such computer program instructions all can be added in computer or other produce machines programmable device (such as, hardware) on, so that the instruction performed on described computer or other programmable devices produces for realizing the device of function specified in FB(flow block).These computer program instructions are also stored in making in the computer-readable memory of computer or other programmable devices direction-pointing function in a particular manner, in order to be stored in the instruction in described computer-readable memory and produce a product realizing the function specified in FB(flow block).These computer program instructions can also be loaded on computer or other programmable devices, so that the sequence of operations to perform on described computer or other programmable devices produces computer implemented process, in order to the instruction performed on described computer or other programmable devices realizes the function specified in FB(flow block).
Therefore, FB(flow block) support is for performing to specify the combination of functional device and for performing to specify the combination of the operation of function.It is to be further understood that one or more block diagrams of flow chart and the combination of block diagram in flow charts, the combination that can be performed special hardware based computer system or specialized hardware and the computer instruction specifying function realizes.
In this respect, Fig. 5 describes the block diagram of control flow illustrating that the algorithm that can perform at described system controller 250 according to some exemplary embodiments.As it is shown in figure 5, at operation 500 places, described system controller 250 can be monitored the motion to receive from one of described label at first and start message.The decision whether received about such message can be made at operation 510 places.Start message without receiving motion, then described system controller 250 can continue to monitor.If have received motion to start message, then according to some exemplary embodiments, can make, at operation 520 places, the decision whether can determined from the communication between described label and described monitoring fixture and/or router about label position.If able to determine label position, then can (such as, to position log and/or to display device) reporting tag position monitoring can be continued executing with at operation 530 places.It should be noted that the monitoring of label position is likely to triggering alarm or other are based near door region or any other functional function being defined.If not can determine that label position, then can be made as to whether to have been received by the decision of motion termination messages at operation 540 places.In some exemplary embodiments, it is contemplated that receive motion termination messages, because having been received that motion starts message before.If have received motion termination messages, then can with monitor ensuing motion start message start again at this process.But, without receiving motion termination messages, and in some exemplary embodiments, if not can determine that label position, then likely described label damaged, destroy or otherwise be placed on prevention with in the foil bag of described label communication (or similar container).Therefore, it can check at operation 550 places, it may be judged whether already more than the predetermined non-communicating cycle, be also referred to as alarm interval.In other words, it is possible to make about described label whether in the decision being at least being considered lost in the interval of the predetermined length (such as, being at least the twice of normal sample intervals) of foil bag situation expressed possibility communication.If not less than alarm interval, then the effort determining label position can be made.But, if beyond alarm interval, then can in foil bag situation possible indicated at operation 560.
When possible foil bag situation is specified, it is possible to make described system controller 250 take any of multiple predefined action.Such as, described system controller 250 can produce alarm and/or notice, its can be in itself audio frequency, video and/or machinery.Described system controller 250 can produce to issue out in the situation re-establishing communication the instruction of alarm for described label.Described system controller 250 can further additionally or alternatively point out and/or report the Last Known Location of described label.In certain embodiments, if label orientation is possible, then described system controller 250 may be configured to also indicate that described label is relative to the direction of motion of the Last Known Location of described label and speed.Similarly, described system controller 250 may be configured to provide possible position or region of search, and described label (with the described foil bag comprising described label) is likely positioned based on Last Known Location and the direction of motion and speed based on the time in past from Last Known Location wherein.
Fig. 6 describes the block diagram of the method when label determined in monitoring system is placed in foil bag or similar containers according to some exemplary embodiments.In this respect, for instance, illustrative methods can include the information receiving the motion of the safety label represented on the product being placed in monitoring environment at operation 600 place.Described method may further include, and in some exemplary embodiments, is operating the motion in response to safety label described in the tracking of information arrived via the wireless communication receiver between described safety label and multiple positioner devices of alignment system of 610 places.Described method can farther include to determine whether there is possible foil bag situation relative to described safety label based on the loss of the communication of described safety label at operation 620 places.Such as can perform the operation at 620 places while following the trail of the motion of described safety label.According to some exemplary embodiments, it is possible to based on not receiving the intended termination campaign message from described label, it is determined that the loss of the communication with described safety label.
In certain embodiments, it is possible to increase or amendment features described above, or extra feature can be added.These increases, amendment and interpolation can be optional and can be provided in any combination.Therefore, although more listed below exemplary modification, increase and interpolation, but it is to be understood that these amendments any, increase and add can by individually or with listed one or more or even all other amendments, increase and add combined enforcement.Similarly, for instance, described illustrative methods may further include determines that foil bag situation exists and provides foil bag situation alarm.In some exemplary embodiments, it is provided that foil bag situation can include showing the Last Known Location of described safety label over the display, noticing the Last Known Location of described safety label on a communication network or activate the one or more of alarm.In some exemplary embodiments, it is provided that foil bag situation alarm can include sending, to described safety label, the message described safety label being pointed to alarm.In certain embodiments, it is determined that whether possible foil bag situation exists can include in response to not received (or loss) within the time period exceeding predetermined space with communicating of described safety label, it is determined that whether possible foil bag situation exists.Predefined interval it may be that such as, the twice in the sampling interval at least communicated between described safety label and described positioner device.In some exemplary embodiments, determine whether there is possible foil bag situation can include starting at least predetermined space after message, receiving from before the motion termination messages of described safety label, determining that possible foil bag situation exists in response to the loss of the communication of described safety label receiving motion.In some exemplary embodiments, described monitoring environment may further include second, extra alignment system.Described safety label is configured to any one tracking via described first alignment system or described second alignment system.In some cases, described first alignment system can include the first localizer from the first beacon signal to described safety label that launch, in order to based on the signal strength measurement being associated with the detection of described safety label, it is determined that label position.Described second alignment system can include the second localizer receiving the second beacon signal from described safety label, in order to the time of advent and arrival angle based on the second beacon signal at described second localizer place determine safety label position.In the exemplary embodiment, described system controller can alternatively so that use one of described first alignment system and described second alignment system or both follow the trail of described safety label and be possibly realized.
Exemplary embodiment can provide can protect product to avoid stolen security system effectively, also makes the detection using the use being intended to foil bag or the similar containers resisting described system be possibly realized simultaneously.The stealing of retail product can be reduced, and therefore the totle drilling cost of example of described security system that retailer uses protection product can be offset by the anti-theft capability of its increase.
Those skilled in the art will envision that the invention of these subordinates has the benefit of the instruction proposed in explanation above and relevant drawings in many amendments of the present invention of this proposition and other embodiments.It will therefore be appreciated that the invention is not restricted to disclosed specific embodiment, and revise and be intended to be included within the scope of the appended claims with other embodiments.And, although explanation above and relevant drawings are in exemplary embodiment described in the context of some example combinations of element and/or function, but it is to be understood that the various combination of element and/or function can be provided by alternate embodiment when without departing substantially from scope of the following claims.In this respect, for instance, it is also contemplated that go out to be different from the various combination of those elements expressly described above and/or function, as can some claims being proposed.There is described herein in the situation of advantage, benefit or solution wherein, it should be appreciated that to such advantage of problem, remove or solution goes for some exemplary embodiments, but be not necessarily whole exemplary embodiment.Therefore, to whole embodiments or to claimed herein, any advantage described here, benefit or solution are all not considered as critical, required or basic.Although employ concrete term at this, but they are used in general and descriptive sense, rather than the purpose in order to limit.
Claims (20)
1. a security system control, including processing circuit, described process circuit is configured to:
Receive the information of the motion of the safety label represented on the product being arranged in monitoring environment；
In response to the information arrived via the wireless communication receiver between described safety label and multiple positioner devices of the first alignment system, follow the trail of the motion of described safety label；And
Based on the loss with the communication of described safety label when following the trail of the motion of described safety label, it is determined that about whether described safety label exists possible foil bag situation.
2. described controller according to claim 1, it is characterised in that determine whether there is possible foil bag situation and included in response to the communication loss with described safety label the time period exceeding predetermined space, it is determined that there is described possible foil bag situation.
3. described controller according to claim 2, it is characterised in that described predetermined space is the twice in the sampling interval of the communication between at least described safety label and described positioner device.
4. described controller according to claim 3, it is characterized in that, determine whether there is described possible foil bag situation to include starting at least predetermined space after message, receiving from before the motion termination messages of described safety label, determining that described possible foil bag situation exists in response to the loss of the communication of described safety label receiving motion.
5. described controller according to claim 1, it is characterised in that further comprise determining that foil bag situation exists and provides foil bag situation alarm.
6. described controller according to claim 5, it is characterised in that provide described foil bag situation alarm to include:
Show the Last Known Location of described safety label over the display；
Notice the Last Known Location of described safety label on a communication network；Or
Activate alarm.
7. described controller according to claim 5, it is characterised in that provide described foil bag situation alarm to include sending the described safety label of sensing to described safety label and send the message of alarm.
8. described controller according to claim 1, it is characterised in that described monitoring environment farther includes the second alignment system, and wherein said safety label is configured to follow the trail of via described first alignment system or described second alignment system.
9. described controller according to claim 8, it is characterized in that, described first alignment system includes the first localizer launching the first beacon signal to described safety label, so that based on the signal strength measurement being associated with the detection of described safety label, determine described label position, and wherein said second alignment system includes the second localizer receiving the second beacon signal from described safety label, in order to safety label position is determined at the arrival angle based on the second beacon signal at described second localizer place.
10. described controller according to claim 9, it is characterised in that described system controller make it possible to alternatively to use one of described first alignment system and described second alignment system or both follow the trail of described safety label.
11. a security system, including:
It is arranged at the safety label on the product in monitoring environment；
The positioner device of multiple restriction the first alignment systems, described positioner device is configured to and described safety label radio communication；And
System controller, it includes processing circuit, and described process circuit is configured to:
Receive the information of the motion representing described safety label；
Motion in response to safety label described in the tracking of information received from described positioner device；And
When following the trail of the motion of described safety label, based on the loss with the communication of described safety label, it is determined that relative to whether described safety label exists possible foil bag situation.
12. described security system according to claim 11, it is characterized in that, determine whether there is described possible foil bag situation to have included in response to the communication loss with described safety label exceeding predefined interlude section, it is determined that there is described possible foil bag situation.
13. described security system according to claim 12, it is characterised in that described predefined interval is at least twice in the sampling interval for the communication between described safety label and described positioner device.
14. described security system according to claim 11, it is characterized in that, determine whether there is described possible foil bag situation to include starting at least predetermined space after message, receiving from before the motion termination messages of described safety label, determining that described possible foil bag situation exists in response to the loss of the communication of described safety label receiving motion.
15. described security system according to claim 11, it is characterised in that further comprise determining that described foil bag situation exists and provides foil bag situation alarm.
16. described security system according to claim 15, it is characterised in that provide described foil bag situation alarm to include:
Show the Last Known Location of described safety label over the display；
Notice the Last Known Location of described safety label on a communication network；Or
Activate alarm.
17. described security system according to claim 15, it is characterised in that provide described foil bag situation alarm to include sending the described safety label of sensing to described safety label and send the message of alarm.
18. described security system according to claim 11, it is characterised in that farther include the second alignment system, and wherein said safety label is configured to follow the trail of via described first alignment system or described second alignment system.
19. described security system according to claim 18, wherein said first alignment system includes the first localizer launching the first beacon signal to described safety label, so that based on the signal strength measurement being associated with the detection of described safety label, determine label position, and wherein said second alignment system includes the second localizer receiving the second beacon signal from described safety label, in order to safety label position is determined at the arrival angle based on the second beacon signal at described second localizer place.
20. described security system according to claim 19, wherein said system controller alternatively enables to use one of described first alignment system and described second alignment system or both follow the trail of described safety label.
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| US14/575,862 US20160180674A1 (en) | 2014-12-18 | 2014-12-18 | Detection of concealed security devices in a security device monitoring environment |
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| US9788151B2 (en) * | 2015-01-20 | 2017-10-10 | Red Point Positioning Corporation | Method, system, and apparatus for determining and provisioning location information of wireless devices |
| US20170168082A1 (en) * | 2015-12-15 | 2017-06-15 | Checkpoint Systems, Inc. | Apparatus and method for motion vector threshold determination |
| US10186125B2 (en) * | 2015-12-18 | 2019-01-22 | Sensormatic Electronics, LLC | Systems and methods for tracking items removed without authorization from secured locations |
| CN106125046A (en) * | 2016-08-20 | 2016-11-16 | 华南理工大学 | A kind of RSS/AOA 3-D positioning method based on CDMA modulation |
| WO2024031705A1 (en) * | 2022-08-12 | 2024-02-15 | Qualcomm Incorporated | Zero-power (zp) internet of things (iot) tag remote finding |
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| EP3035310A1 (en) | 2016-06-22 |
| US20160180674A1 (en) | 2016-06-23 |
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